<!--
function checkRequiredFields(input)
{
    var requiredFields = new Array("yourname", "emailaddress");
    var fieldNames = new Array("- Your Name\n", "- Your Email Address\n");
    var fieldCheck   = true;
    var fieldsNeeded = "Please supply the following information before submitting the form:\n\n";

    for(var fieldNum=0; fieldNum < requiredFields.length; fieldNum++) {
        if ((input.elements[requiredFields[fieldNum]].value == "") ||
            (input.elements[requiredFields[fieldNum]].value == "@") ||
            (input.elements[requiredFields[fieldNum]].value == " ")) {

            fieldsNeeded += fieldNames[fieldNum];
            fieldCheck = false;
        }
    }
    if (fieldCheck == true)
    {
        return true;
    }
    else
    {
        alert(fieldsNeeded);
        return false;
    }
}
function toAlpha(checkString)
{
    newString = "";
    count = 0;
    for (i = 0; i < checkString.length; i++) {
        ch = checkString.substring(i, i+1);
        if ((ch >= "a" && ch <= "z") || (ch >= "A" && ch <= "Z" )) {
            newString += ch;
        }
    }
    return newString;
}
//-->